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Seminare - Sommer Semester 2023

Seminar über "spezielle Probleme in der Theorie der Kolloide"

Ort: HHU Düsseldorf, Seminarraum 25.32.O2.51
Programm:
DatumSprecher/inThemaZeit
Fr 27.10.2023   R. Wittmann  best Fokker-Planck approximation  14:30 s.t.
Mi 22.11.2023   K. Olsen  Stochastic resetting: from search processes to thermodynamics  14:30 s.t.
Mi 13.12.2023   I. Abdoli  Circle swimmers with Magnus force  14:30 s.t.
Fr 15.12.2023   Y. J. Zheng  When is diffusion Hyperuniform?  14:30 s.t.
Mi 20.12.2023   I. Malhotra  t.b.a.  14:30 s.t.
Mi 10.01.2024   S. Chaki  Theoretical Study of Kinetic Arrest, Shear Elastic Modulus and Yielding in Simple Biphasic Colloidal Mixtures  14:30 s.t.
Mi 17.01.2024   G.H.P. Nguyen  t.b.a.  14:30 s.t.
Mi 24.01.2024   L. Caprini  t.b.a.  14:30 s.t.
Mi 31.01.2024   A. Antonov  t.b.a.  14:30 s.t.
gez.: Prof. Dr. H. Löwen

oben

Seminar über "Spezielle Probleme der Computersimulation weicher Materie"

Ort: HHU Düsseldorf, Seminarraum 25.32.O2.51
Programm:
DatumSprecher/inThemaZeit
Fr 27.10.2023   R. Wittmann  best Fokker-Planck approximation  14:30 s.t.
Mi 15.11.2023   N. Küchler  Glassforming liquid in external field: A critical point about the existence of a critical point  14:30 s.t.
Mi 13.12.2023   I. Abdoli  Circle swimmers with Magnus force  14:30 s.t.
Mi 20.12.2023   I. Malhotra  t.b.a.  14:30 s.t.
Mi 10.01.2024   S. Chaki  Theoretical Study of Kinetic Arrest, Shear Elastic Modulus and Yielding in Simple Biphasic Colloidal Mixtures  14:30 s.t.
Fr 12.01.2024   S. Ghosh  t.b.a.  14:30 s.t.
Mi 17.01.2024   G.H.P. Nguyen  t.b.a.  14:30 s.t.
Fr 19.01.2024   M. Adhikari  t.b.a.  14:30 s.t.
gez.: Prof. Dr. J. Horbach

oben

Seminar “Soft Matter”

Ort: HHU Düsseldorf, Seminarraum 25.32.O2.51
Programm:
DatumSprecher/inInstitutZeit
Mo 30.10.2023   Jens Elgeti  Forschungszentrum Jülich  11:30 s.t.
t.b.a.
Di 01.08.2023   Yuta Kuroda  Nagoya University, Japan  14:30 s.t.
Hyperuniformity and singular density correlation in chiral active fluids
Mi 26.07.2023   Dr. V. Vaibhav  University of Milan, Italy  10:30 s.t.
Failure Pathways in Spatially Inhomogeneous Glasses
Di 25.07.2023   Prof. Dr. P. Chaudhuri  Institute of Mathematical Sciences, Chennai, India  11:00 s.t.
Exploring glasses in ring polymers
Mo 24.07.2023   Dr. Jan Cammann  Loughborough University, United Kingdom  16:00 s.t.
From single cells to filaments: a story of geometry and motion
Mo 24.07.2023   Haochun Sun  Copenhagen University, Denmark  14:30 s.t.
Three-Dimensional Modeling of Active Cellular Assemblies
Mi 19.07.2023   Dr. Mehmet Can Ucar  Institute of Science and Technology Austria  16:00 s.t.
Self-organized vs. controlled guidance of cells and tissues
Mi 19.07.2023   Dr. Umang Dattani  Institute of Mathematical Sciences, Chennai, India  11:00 s.t.
Cavitation instabilities in amorphous solids
Di 04.07.2023   Prof. Grzegorz Szamel  Colorado State University, USA  15:30 s.t.
An alternative dynamic density functional theory for time-dependent density fluctuations in glass-forming fluids
Mo 26.06.2023   Alexander Antonov  Universität Osnabrück  16:00 s.t.
Brownian particle transport in periodic structures
Fr 23.06.2023   Antik Bhattacharya  TIFR Hyderabad, India  11:30 s.t.
Active Hamiltonian Dynamics
Fr 16.06.2023   Rashmi Priya  TIFR Hyderabad, India  11:30 s.t.
Understanding the ferroelectric phase of a liquid crystalline system using elongated molecules
Mi 14.06.2023   Prof. Bill van Megen  RMIT, Australia  15:00 s.t.
Non-stationary processes: aging and crystallisation
Fr 09.06.2023   Prof. Bill van Megen  RMIT, Australia  13:00 s.t.
Local rattling and phonons
Di 06.06.2023   Prof. Apratim Chatterji  IISER Pune, India  14:30 s.t.
Topology driven spatial organization of DNA-ring polymers under confinement
Mo 05.06.2023   Prof. Bill van Megen  RMIT, Australia  15:00 s.t.
What is caging?
Do 01.06.2023   Danilo B. Liarte  ICTP South American Institute for Fundamental Research and IFT-UNESP, Brazil  14:30 s.t.
Geometry, topology, and soft matter: Smectics, disordered elastic systems
Mi 31.05.2023   Vikki Anand Varma  Indian Institute of Technology, Delhi, India  14:30 s.t.
Shape Anisotropic Particles: Dynamics and Self Assembly
Mi 03.05.2023   Vincent Debets  Eindhoven University of Technoloy, The Netherlands  14:30 s.t.
Competing length and time scales in active glassy fluids
gez.: Prof. Dr. Egelhaaf, Prof. Dr. Horbach, Prof. Dr. Löwen

oben

Kolloquien

Ort: HHU Düsseldorf, Hörsaal 5J (Gebäude 25.31 Ebene 00)
Programm:
DatumSprecher/inInstitutZeit
Do 12.10.2023   Dr. Gláucia Murta  Institut für Theoretische Physik III, Heinrich-Heine-Universität Düsseldorf  16:30 s.t.
Dr. Gláucia Murta: „Device-independent quantum cryptography: towards network protocols”
Institut für Theoretische Physik III, Heinrich-Heine-Universität Düsseldorf - Seminar@HHUD: 12.10.2023 16:30 s.t., Lecture hall 25.31 O0.5J

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Device-independent quantum cryptography: towards network protocols
Do 29.06.2023   Dr. Ivonne Möller  Ruhr Universität Bochum  16:30 s.t.
Dr. Ivonne Möller: „Gemeinsam zur Eigenständigkeit - Peer-Mentoring-Module im Physik-Studium an der RUB”
Ruhr Universität Bochum - Seminar@HHUD: 29.6.23 16:30 s.t., Lecture hall 25.31 O0.5J

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Gemeinsam zur Eigenständigkeit - Peer-Mentoring-Module im Physik-Studium an der RUB
Do 22.06.2023   Prof. Dr. Thomas Speck  Universität Stuttgart  16:30 s.t.
Prof. Dr. Thomas Speck: „Dissipative structure formation in soft materials”
Universität Stuttgart - Seminar@HHUD: 22.6.23 16:30 s.t., Lecture hall 25.31 O0.5J

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Dissipative structure formation in soft materials
Do 25.05.2023   Prof. Dr. Constantin R. Schrade  Niels Bohr Institute, University of Copenhagen, Denmark  16:30 s.t.
Prof. Dr. Constantin R. Schrade: „Next-Generation Qubits in Superconducting Circuits”
Niels Bohr Institute, University of Copenhagen, Denmark - Seminar@HHUD: 25.5.23 16:30 s.t., Lecture hall 25.31 O0.5J

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Next-Generation Qubits in Superconducting Circuits
Do 20.04.2023   Prof. Dr. Gerhard Kahl  Institut für Theoretische Physik, TU Wien, Austria  16:30 s.t.
Prof. Dr. Gerhard Kahl: „Microswimmers learning chemotaxis”
Institut für Theoretische Physik, TU Wien, Austria - Seminar@HHUD: 20.4.23 16:30 s.t., Lecture hall 25.31 O0.5J

Microorganisms which are abundant in nature and which play a key role in many biological phenomena have developed a huge variety of strategies which help them in nutrient uptake, to reproduce, to escape from predators, or to hunt prey. These strategies are realized via different manners, such as shape deformations or by the use of appendages. In an effort to understand the locomotion of these microswimmers under low Reynolds number conditions, models have been proposed, which are based on fixed swimming strategies. However, models of such organisms that adapt their swimming strategies to the ever changing surroundings have rarely been investigated, so far. I will report about a project where a simple microswimmer model is trained to swim and to uptake nutrients by combining the equations-of-motion with modern tools of machine learning. Using genetic algorithms optimized neural networks are developed which control the shape deformations of the microswimmers and allow them to navigate in static and time-dependent chemical environ-ments. By introducing noisy signal transmission in the neural networks the well-known biased run-and-tumble motion emerges, as it is known for many swimming microorganisms. Extensions of the simple model in use to more realistic microswimmers are discussed.

Microswimmers learning chemotaxis
Für die Dozenten der Physik

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Seminar über Examensarbeiten aus dem Institut für Theoretische Physik, Lehrstuhl II

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Link: Physikalisches Kolloquium





















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